.green{
	color: green;
}
.orange{
	color: orange;
}
.blue{
	color: skyblue;
}
.red{
	color: red;
}
.grey{
	color: #999;
}

.bg-green{
	background-color: green;
}
.bg-orange{
	background-color: orange;
}
.bg-blue{
	background-color: skyblue;
}
.bg-red{
	background-color: red;
}
.bg-grey{
	background-color: #999;
}